1 . 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。
Scientists have discovered the remains of 1 appears to be an ancient sheep-drawn chariot (战车) near the famous Terracotta Army in the western tomb of Emperor Qin Shi Huang. The main structure of the chariot has likely rotted (腐烂) away after 2 (spend) more than 2,000 years in the ground but researchers did find a row of six sheep skeletons (骨架) wearing attachments used for pulling a chariot, so they 3 (infer) this was a sheep-drawn chariot.
Horse-drawn chariots were common in ancient China, but a sheep-drawn chariot is 4 extremely rare find. The founder of the Western Jin Dynasty, Emperor Wu, or Sima Yan, who ruled from 266 to 290CE, is said 5 (ride) in a sheep-drawn carriage around his palace complex every night and would sleep wherever the sheep stopped. Researchers hope laboratory 6 (analyze) on the western tomb’s burial chamber, which is currently underway, will help them determine who was buried there.
In addition to the six-sheep chariot, scientists unearthed a four-wheeled 7 (wood) chariot, probably drawn by horses, 8 (equip) with a fancy umbrella. It is the oldest of 9 (it) type ever found. They also found a wealth of iron tools and weapons, providing new insight 10 the period when iron tools first began to appear.
